The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 1980
Filed:
May. 16, 1978
Applicant:
Inventor:
Kiyoyuki Arai, Tokyo, JP;
Assignee:
Copal Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354246 ;
Abstract
A blade type focal plane shutter comprising a plurality of auxiliary shutter blades rotatably supported on a common shaft and movable between an unfolded position and a folded position, a main shutter blade for forming an exposure slit and a blade supporting arm serving also as a covering member so that the entire shutter may be made small and may be manufactured at a low cost.